pitchblende
n. [矿物] 沥青铀矿
n.
沥青油矿；非晶铀矿；
英英释义
pitchblende[ 'pitʃblend ]
n.a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
同义词：uraninite
权威例句
pitchblendePitchblende
Pitchblende
Pitchblende and galena ages in the Alligator Rivers region, Northern Territory, Australia
STUDIES OF RADIOACTIVE COMPOUNDS. IV. PITCHBLENDE FROM LAKE ATHABASKA, CANADA
The Isotopes of Xenon and Krypton in Pitchblende and the Spontaneous Fission of U238
Search for Elements 94 and 93 in Nature. Presence of 94239in Pitchblende
Search for elements 94 and 93 in nature; presence of 94239 in Pitchblende
The ratio of induced fission vs. spontaneous fission in pitchblende and natural occurrence of radiochlorine ☆
Precise determination of the natural abundance of 237 Np and 239 Pu in Katanga pitchblende ☆
U-Pb ages of ferberite, chalcedony, agate, 'U-mica' and pitchblende: constraints on the mineralization history of the Schwarzwald or...
Mineral chemistry and oxygen isotopic analyses of uraninite, pitchblende and uranium alteration minerals from the Cigar Lake deposit...
Geochronology of the Shazijiang Uranium Ore Deposit,Northern Guangxi,China:U-Pb Ages of Pitchblende and Their Geological Significance
pitchblende (n.)
also pitch-blende, 1770, a loan-translation of German Pechblende; see pitch (n.2) + blende.
1. Then she found that pitchblende was more radioactive than uranium by itself.
于是她发现沥青油矿，它的放射性要比铀本身还要强。
article.yeeyan.org
2. Marie began working with pitchblende because it contained uranium, but was cheaper to buy than pure uranium.
玛丽开始用沥青铀矿做试验，因为沥青铀矿含着铀，但是要比纯铀便宜得多。
article.yeeyan.org
3. This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.
于是玛丽推断出，在沥青铀矿中可能还有其他具有放射性的物质。
article.yeeyan.org
4. The principal uranium mineral in the deposits of primary subtype is uraninite, but in reworked subtype are pitchblende and relict uraninite.
原生型矿床中主要铀矿物是晶质铀矿，改造型矿床中的主要铀矿物是沥青铀矿和残余的晶质铀矿。
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5. Uranium mineral is pitchblende which was formed in Lower Proterozoic.
铀矿物主要为沥青铀矿，形成于早元古代。
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6. In 1898, Marie found anew element in the pitchblende.
1898年，玛丽发现沥青铀矿中的一个新元素。
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7. The pitchblende is the chief industrial mineral.
沥青铀矿是主要工业矿物。
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8. Pitchblende is the most important industrial uranium mineral in China.
沥青铀矿是我国最重要的工业铀矿物。
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9. Particularly part of pitchblende samples with colloidal structure features have the same physical and optical features as uraninite.
尤其有一部分具有胶状构造外表特征的沥青铀矿样品的各项参数均与晶质铀矿一样。
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10. The Xiazhuang uranium ore field is the biggest granitic-type uranium ore field in China, and the pitchblende-calcite mineralization type is a new type of high-grade ores.
下庄铀矿田是我国最大的花岗岩型铀矿田，其中的沥青铀矿方解石型矿化类型是近年来新发现的一种富矿类型。
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11. The initial lead in pitchblende belongs to radioactive origin from crust.
沥青铀矿中的初始铅属地壳放射成因。
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12. The distribution patterns of rare earth elements of pitchblende and surrounding rocks in three types of uranium deposits have been studied.
该文研究了桂东北地区三种不同类型铀矿床中沥青铀矿及其围岩的稀土元素分布模式。
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13. Curies research into the properties of two different uranium ores, pitchblende and chalcolite. led to the discovery of radium and polonium, other radioactive elements.
居里对两种沥青铀矿和铜铀矿的性能研究引导了镭和钋以及其他放射性元素的发现。
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14. The pitchblende is the chief industrial mineral.
沥青轴矿是主要工业矿物。
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15. Pitchblende is the only primary uranium mineral, which is associated with quartz, fluorite, hematite and pyrite.
沥青铀矿是矿石中唯一的原生铀矿物，其共生矿物主要有石英、萤石、赤铁矿和黄铁矿。
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16. The radiometric age of pitchblende is 109—108 m.
沥青铀矿的同位素年龄为108—109百万年。
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17. The Curies undertook the arduous task of separating radium out of pitchblende ore.
居里夫妇承担了把镭从沥青矿分离出来的艰巨任务。
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18. The Curies undertook the arduous task of separating radium out of pitchblende ore.
居里夫妇承担了把镭从沥青矿分离出来的艰巨任务。
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19. a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore.
一种含有氧化铀和少量镭、钍、钋、铅、氦的矿物；块状的晶质铀矿称为沥青铀矿，是主要的铀矿石。
-- 来源 -- 汉英 - 翻译参考
20. Pitchblende and chalcolite are much more radioactive than uranium itself.
沥清铀矿和铜铀云母比纯铀的放射性强得多。
-- 来源 -- 英汉 - 辞典例句
21. By good fortune they were able to get from the movement of Austria a ton of pitchblende.
幸运的是，他们从澳大利亚政府部门搞到了1吨沥青油矿。
-- 来源 -- 英汉非文学 - 科学史 - kexueshi-leidefaxianze
22. In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that pitchblende contains at least one highly-radioactive material which is a new element in the sense that chemistry attaches to the term.
实际上这种假设中的元素的浓度要小得多，我们花了几年时间才明确无误地证明沥青铀矿物质中至少含有一种高放射性物质，在化学意义上这就是一种新元素。
-- 来源 -- science - 汉英
23. a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende.
一种橙色粘性的铀氧化物和硅酸盐的混和物，由沥青油矿在水合作用和氧化作用下天然形成。
-- 来源 -- 汉英 - 翻译参考
24. pitchblende group
沥青铀矿类矿物
-- 来源 -- 英汉 - 翻译参考[网络]
25. From all that wagonload of pitchblende, there was left only a tiny pinch of stuff in a jar.
最后，整车的沥青油矿只提炼出罐内那么一点点东西。
-- 来源 -- 英汉非文学 - 科学史 - kexueshi-leidefaxianze
26. We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴生的命名为钋，与钡伴生的命名为镭。
-- 来源 -- science - 汉英
27. But an unexpected fact was noted: certain minerals (pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
但是一个意外的事实引起了我的注意：某些矿物质（沥青铀矿物质、铜铀云母或钙铀云母）的活性比根据其铀或针含量所判断的要高。
-- 来源 -- science - 汉英
28. "All its isotopes are radioactive. Radium does not occur free in nature but occurs in natural ores such as pitchblende as a disintegration product of radioactive decay of heavier elements, including uranium. Chemically it is highly reactive and has valence 2 in all of its compounds."
镭的所有同位素都是放射性的。在自然界镭不存在游离状态，但存在于天然矿石中，如沥青铀矿，是更重元素（包括铀）放射性衰变的产物。
-- 来源 -- 英汉 - 翻译样例 - 自然
pitchblende
